Home / 87,551.96-131,348.66-28,387.53

Finding the Fourth Proportional to 87,551.96, 131,348.66 and 28,387.53

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Solution

The fourth proportional to 87,551.96, 131,348.66 and 28,387.53 is: 42,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.96 : 131,348.66 = 28,387.53 : x
  2. Step 2: Convert to fraction form
    87,551.96/131,348.66 = 28,387.53/x
  3. Step 3: Cross multiply
    87,551.96x = 131,348.66 × 28,387.53
  4. Step 4: Simplify right side
    87,551.96x = 3,728,663,884.27
  5. Step 5: Solve for x
    x = 3,728,663,884.27/87,551.96
  6. Step 6: Final answer
    x = 42,588.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.